Updated with Starling 1.4 support

- New ASDOCs
- Updated BTween class
- New SpriteSheetHelper functionality for TexturePack quad batching
- New context support for runtime baseline context choice
- Conditionals added to LPLocalData for error detection
- LaunchPad starling session now allows you to state context3Dprofile
- BTween class now allows a move/scale/rotate/fade FROM call
- SpriteSequence now detects if a container is to be auto-invoked when
snapshotting a transformed MovieClip
- TexturePack now supports creation from a SpriteSheetHelper (an array
of SpriteSequences)
- LPsAppUI now allows you to set custom tween type and speed
- LPsButton now includes SpriteSheetHelper support
- Added additional customisation to LPsSelectList
- ScrollControl optimized
- Bug fix to LPsBackground cross-fading
- Added "transitioning" accessor to LPsMenu
- Added additional BitmapData.clone to SmoothImageLoad to avoid disposal
of a cached object
- StringTools overhaul